A4 Specification:
Quality (proportion of wood pulp) | Imported from wood pulp 70% Inland wood pulp 30% |
White (%) more | 102-104 |
Opacity (%) more | 90 |
Opacity (%) more | Recto25 |
Wire side20 | |
Deviation on the side of the wire and recto less (s) | thirty |
Resistance size (mm) more | 0.75 |
Ash content (%) | 16 --- 18 |
Moisture contents (%) | 4,5 --- filing an application for 5.5 |
Density (g / cm3) less | 0.75 |
Surface Strength (m / s) More | 1,0 |
Dust degree (a / m2) less | (0.2-1.5) mm2 50 |
More than1.5mm20 | |
Substance (g / sq. M) | 70 /75/80 |
The deviation of the substance is less (g) | 2,5 |
Thickness (um) | 10.0-11.0 |
Less deviation in thickness (μm) | 0.5 |